src/mac/carbon/filedlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/filedlg.cpp
   3 // Purpose:     wxFileDialog
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_FILEDLG
  15
  16 #include "wx/filedlg.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/intl.h"
  20     #include "wx/app.h"
  21     #include "wx/utils.h"
  22     #include "wx/dialog.h"
  23 #endif
  24
  25 #include "wx/tokenzr.h"
  26 #include "wx/filename.h"
  27
  28 #include "wx/mac/private.h"
  29
  30 #ifndef __DARWIN__
  31     #include <Navigation.h>
  32     #include "PLStringFuncs.h"
  33 #endif
  34
  35 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
  36
  37 // the data we need to pass to our standard file hook routine
  38 // includes a pointer to the dialog, a pointer to the standard
  39 // file reply record (so we can inspect the current selection)
  40 // and a copy of the "previous" file spec of the reply record
  41 // so we can see if the selection has changed
  42
  43 struct OpenUserDataRec
  44 {
  45   int                currentfilter ;
  46   bool               saveMode ;
  47   wxArrayString      name ;
  48   wxArrayString      extensions ;
  49   wxArrayLong        filtermactypes ;
  50   wxString           defaultLocation;
  51   CFArrayRef         menuitems ;
  52 };
  53
  54 typedef struct OpenUserDataRec
  55 OpenUserDataRec, *OpenUserDataRecPtr;
  56
  57 static pascal void NavEventProc(
  58     NavEventCallbackMessage inSelector,
  59     NavCBRecPtr ioParams,
  60     NavCallBackUserData ioUserData );
  61
  62 static NavEventUPP sStandardNavEventFilter = NewNavEventUPP(NavEventProc);
  63
  64 static pascal void NavEventProc(
  65     NavEventCallbackMessage inSelector,
  66     NavCBRecPtr ioParams,
  67     NavCallBackUserData ioUserData )
  68 {
  69     OpenUserDataRec * data = ( OpenUserDataRec *) ioUserData ;
  70     if (inSelector == kNavCBEvent)
  71     {
  72     }
  73     else if ( inSelector == kNavCBStart )
  74     {
  75         if (data && !(data->defaultLocation).empty())
  76         {
  77             // Set default location for the modern Navigation APIs
  78             // Apple Technical Q&A 1151
  79             FSRef theFile;
  80             wxMacPathToFSRef(data->defaultLocation, &theFile);
  81             AEDesc theLocation = { typeNull, NULL };
  82             if (noErr == ::AECreateDesc(typeFSRef, &theFile, sizeof(FSRef), &theLocation))
  83                 ::NavCustomControl(ioParams->context, kNavCtlSetLocation, (void *) &theLocation);
  84         }
  85
  86         NavMenuItemSpec  menuItem;
  87         menuItem.version = kNavMenuItemSpecVersion;
  88         menuItem.menuCreator = 'WXNG';
  89         menuItem.menuType = data->currentfilter;
  90         wxMacStringToPascal( data->name[data->currentfilter] , (StringPtr)(menuItem.menuItemName) ) ;
  91         ::NavCustomControl(ioParams->context, kNavCtlSelectCustomType, &menuItem);
  92     }
  93     else if ( inSelector == kNavCBPopupMenuSelect )
  94     {
  95         NavMenuItemSpec * menu = (NavMenuItemSpec *) ioParams->eventData.eventDataParms.param ;
  96         const size_t numFilters = data->extensions.GetCount();
  97
  98         if ( menu->menuType < numFilters )
  99         {
 100             data->currentfilter = menu->menuType ;
 101             if ( data->saveMode )
 102             {
 103                 int i = menu->menuType ;
 104                 wxString extension =  data->extensions[i].AfterLast('.') ;
 105                 extension.MakeLower() ;
 106                 wxString sfilename ;
 107
 108                 wxMacCFStringHolder cfString( NavDialogGetSaveFileName( ioParams->context ) , false  );
 109                 sfilename = cfString.AsString() ;
 110
 111                 int pos = sfilename.Find('.', true) ;
 112                 if ( pos != wxNOT_FOUND )
 113                 {
 114                     sfilename = sfilename.Left(pos+1)+extension ;
 115                     cfString.Assign( sfilename , wxFONTENCODING_DEFAULT ) ;
 116                     NavDialogSetSaveFileName( ioParams->context , cfString ) ;
 117                 }
 118             }
 119         }
 120     }
 121 }
 122
 123 void MakeUserDataRec(OpenUserDataRec *myData , const wxString& filter )
 124 {
 125     myData->menuitems = NULL ;
 126     myData->currentfilter = 0 ;
 127     myData->saveMode = false ;
 128
 129     if ( !filter.empty() )
 130     {
 131         wxString filter2(filter) ;
 132         int filterIndex = 0;
 133         bool isName = true ;
 134         wxString current ;
 135
 136         for ( unsigned int i = 0; i < filter2.length() ; i++ )
 137         {
 138             if ( filter2.GetChar(i) == wxT('|') )
 139             {
 140                 if ( isName )
 141                 {
 142                     myData->name.Add( current ) ;
 143                 }
 144                 else
 145                 {
 146                     myData->extensions.Add( current.MakeUpper() ) ;
 147                     ++filterIndex ;
 148                 }
 149
 150                 isName = !isName ;
 151                 current = wxEmptyString ;
 152             }
 153             else
 154             {
 155                 current += filter2.GetChar(i) ;
 156             }
 157         }
 158         // we allow for compatibility reason to have a single filter expression (like *.*) without
 159         // an explanatory text, in that case the first part is name and extension at the same time
 160
 161         wxASSERT_MSG( filterIndex == 0 || !isName , wxT("incorrect format of format string") ) ;
 162         if ( current.empty() )
 163             myData->extensions.Add( myData->name[filterIndex] ) ;
 164         else
 165             myData->extensions.Add( current.MakeUpper() ) ;
 166         if ( filterIndex == 0 || isName )
 167             myData->name.Add( current.MakeUpper() ) ;
 168
 169         ++filterIndex ;
 170
 171         const size_t extCount = myData->extensions.GetCount();
 172         for ( size_t i = 0 ; i < extCount; i++ )
 173         {
 174             wxUint32 fileType, creator;
 175             wxString extension = myData->extensions[i];
 176
 177             // Remove leading '*'
 178             if (extension.length() && (extension.GetChar(0) == '*'))
 179                 extension = extension.Mid( 1 );
 180
 181             // Remove leading '.'
 182             if (extension.length() && (extension.GetChar(0) == '.'))
 183                 extension = extension.Mid( 1 );
 184
 185             if (wxFileName::MacFindDefaultTypeAndCreator( extension, &fileType, &creator ))
 186                 myData->filtermactypes.Add( (OSType)fileType );
 187             else
 188                 myData->filtermactypes.Add( '****' ); // We'll fail safe if it's not recognized
 189         }
 190     }
 191 }
 192
 193 static Boolean CheckFile( const wxString &filename , OSType type , OpenUserDataRecPtr data)
 194 {
 195     wxString file(filename) ;
 196     file.MakeUpper() ;
 197
 198     if ( data->extensions.GetCount() > 0 )
 199     {
 200         //for ( int i = 0 ; i < data->numfilters ; ++i )
 201         int i = data->currentfilter ;
 202         if ( data->extensions[i].Right(2) == wxT(".*") )
 203             return true ;
 204
 205         {
 206             if ( type == (OSType)data->filtermactypes[i] )
 207                 return true ;
 208
 209             wxStringTokenizer tokenizer( data->extensions[i] , wxT(";") ) ;
 210             while ( tokenizer.HasMoreTokens() )
 211             {
 212                 wxString extension = tokenizer.GetNextToken() ;
 213                 if ( extension.GetChar(0) == '*' )
 214                     extension = extension.Mid(1) ;
 215
 216                 if ( file.length() >= extension.length() && extension == file.Right(extension.length() ) )
 217                     return true ;
 218             }
 219         }
 220
 221         return false ;
 222     }
 223
 224     return true ;
 225 }
 226
 227 #if !TARGET_API_MAC_OSX
 228 static pascal Boolean CrossPlatformFileFilter(CInfoPBPtr myCInfoPBPtr, void *dataPtr)
 229 {
 230     OpenUserDataRecPtr data = (OpenUserDataRecPtr) dataPtr ;
 231     // return true if this item is invisible or a file
 232
 233     Boolean visibleFlag;
 234     Boolean folderFlag;
 235
 236     visibleFlag = ! (myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible);
 237     folderFlag = (myCInfoPBPtr->hFileInfo.ioFlAttrib & 0x10);
 238
 239     // because the semantics of the filter proc are "true means don't show
 240     // it" we need to invert the result that we return
 241
 242     if ( !visibleFlag )
 243         return true ;
 244
 245     if ( !folderFlag )
 246     {
 247         wxString file = wxMacMakeStringFromPascal( myCInfoPBPtr->hFileInfo.ioNamePtr ) ;
 248         return !CheckFile( file , myCInfoPBPtr->hFileInfo.ioFlFndrInfo.fdType , data ) ;
 249     }
 250
 251     return false ;
 252 }
 253 #endif
 254
 255 // end wxmac
 256
 257 wxFileDialog::wxFileDialog(
 258     wxWindow *parent, const wxString& message,
 259     const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
 260     long style, const wxPoint& pos, const wxSize& sz, const wxString& name)
 261     : wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name)
 262 {
 263     wxASSERT_MSG( NavServicesAvailable() , wxT("Navigation Services are not running") ) ;
 264 }
 265
 266 pascal Boolean CrossPlatformFilterCallback(
 267     AEDesc *theItem,
 268     void *info,
 269     void *callBackUD,
 270     NavFilterModes filterMode )
 271 {
 272     bool display = true;
 273     OpenUserDataRecPtr data = (OpenUserDataRecPtr) callBackUD ;
 274
 275     if (filterMode == kNavFilteringBrowserList)
 276     {
 277         NavFileOrFolderInfo* theInfo = (NavFileOrFolderInfo*) info ;
 278         if ( !theInfo->isFolder )
 279         {
 280             AECoerceDesc (theItem, typeFSRef, theItem);
 281
 282             FSRef fsref ;
 283             if ( AEGetDescData (theItem, &fsref, sizeof (FSRef)) == noErr )
 284             {
 285                 memcpy( &fsref , *theItem->dataHandle , sizeof(FSRef) ) ;
 286                 wxString file = wxMacFSRefToPath( &fsref ) ;
 287                 display = CheckFile( file , theInfo->fileAndFolder.fileInfo.finderInfo.fdType , data ) ;
 288             }
 289         }
 290     }
 291
 292     return display;
 293 }
 294
 295 int wxFileDialog::ShowModal()
 296 {
 297     OSErr err;
 298     NavDialogCreationOptions dialogCreateOptions;
 299
 300     // set default options
 301     ::NavGetDefaultDialogCreationOptions(&dialogCreateOptions);
 302
 303     // this was always unset in the old code
 304     dialogCreateOptions.optionFlags &= ~kNavSelectDefaultLocation;
 305
 306     wxMacCFStringHolder message(m_message, m_font.GetEncoding());
 307     dialogCreateOptions.windowTitle = message;
 308
 309     wxMacCFStringHolder defaultFileName(m_fileName, m_font.GetEncoding());
 310     dialogCreateOptions.saveFileName = defaultFileName;
 311
 312
 313     NavDialogRef dialog;
 314     NavObjectFilterUPP navFilterUPP = NULL;
 315     OpenUserDataRec myData;
 316     myData.defaultLocation = m_dir;
 317
 318     MakeUserDataRec(&myData , m_wildCard);
 319     myData.currentfilter = m_filterIndex;
 320     size_t numFilters = myData.extensions.GetCount();
 321     if (numFilters)
 322     {
 323         CFMutableArrayRef popup = CFArrayCreateMutable( kCFAllocatorDefault ,
 324             numFilters , &kCFTypeArrayCallBacks ) ;
 325         dialogCreateOptions.popupExtension = popup ;
 326         myData.menuitems = dialogCreateOptions.popupExtension ;
 327         for ( size_t i = 0 ; i < numFilters ; ++i )
 328         {
 329             CFArrayAppendValue( popup , (CFStringRef) wxMacCFStringHolder( myData.name[i] , m_font.GetEncoding() ) ) ;
 330         }
 331     }
 332
 333     if (HasFdFlag(wxFD_SAVE))
 334     {
 335         myData.saveMode = true;
 336
 337         dialogCreateOptions.optionFlags |= kNavDontAutoTranslate;
 338         dialogCreateOptions.optionFlags |= kNavDontAddTranslateItems;
 339         if (!numFilters)
 340             dialogCreateOptions.optionFlags |= kNavNoTypePopup;
 341
 342         // The extension is important
 343         if (numFilters < 2)
 344             dialogCreateOptions.optionFlags |= kNavPreserveSaveFileExtension;
 345
 346 #if TARGET_API_MAC_OSX
 347         if (!(m_windowStyle & wxFD_OVERWRITE_PROMPT))
 348             dialogCreateOptions.optionFlags |= kNavDontConfirmReplacement;
 349 #endif
 350
 351         err = ::NavCreatePutFileDialog(
 352             &dialogCreateOptions,
 353             kNavGenericSignature, // Suppresses the 'Default' (top) menu item
 354             kNavGenericSignature,
 355             sStandardNavEventFilter,
 356             &myData, // for defaultLocation
 357             &dialog );
 358     }
 359     else
 360     {
 361         // let the user select bundles/programs in dialogs
 362         dialogCreateOptions.optionFlags |= kNavSupportPackages;
 363
 364         navFilterUPP = NewNavObjectFilterUPP(CrossPlatformFilterCallback);
 365         err = ::NavCreateGetFileDialog(
 366             &dialogCreateOptions,
 367             NULL, // NavTypeListHandle
 368             sStandardNavEventFilter,
 369             NULL, // NavPreviewUPP
 370             navFilterUPP,
 371             (void *) &myData, // inClientData
 372             &dialog );
 373     }
 374
 375     if (err == noErr)
 376         err = ::NavDialogRun(dialog);
 377
 378     // clean up filter related data, etc.
 379     if (navFilterUPP)
 380         ::DisposeNavObjectFilterUPP(navFilterUPP);
 381
 382     if (err != noErr)
 383         return wxID_CANCEL;
 384
 385     NavReplyRecord navReply;
 386     err = ::NavDialogGetReply(dialog, &navReply);
 387     if (err == noErr && navReply.validRecord)
 388     {
 389         AEKeyword   theKeyword;
 390         DescType    actualType;
 391         Size        actualSize;
 392         FSRef       theFSRef;
 393         wxString thePath ;
 394         long count;
 395
 396         m_filterIndex = myData.currentfilter;
 397         ::AECountItems( &navReply.selection, &count );
 398         for (long i = 1; i <= count; ++i)
 399         {
 400             err = ::AEGetNthPtr(
 401                 &(navReply.selection), i, typeFSRef, &theKeyword, &actualType,
 402                 &theFSRef, sizeof(theFSRef), &actualSize );
 403             if (err != noErr)
 404                 break;
 405
 406             if (HasFdFlag(wxFD_SAVE))
 407                 thePath = wxMacFSRefToPath( &theFSRef, navReply.saveFileName );
 408             else
 409                 thePath = wxMacFSRefToPath( &theFSRef );
 410
 411             if (!thePath)
 412             {
 413                 ::NavDisposeReply(&navReply);
 414                 return wxID_CANCEL;
 415             }
 416
 417             m_path = thePath;
 418             m_paths.Add(m_path);
 419             m_fileName = wxFileNameFromPath(m_path);
 420             m_fileNames.Add(m_fileName);
 421         }
 422
 423         // set these to the first hit
 424         m_path = m_paths[0];
 425         m_fileName = wxFileNameFromPath(m_path);
 426         m_dir = wxPathOnly(m_path);
 427     }
 428
 429     ::NavDisposeReply(&navReply);
 430
 431     return (err == noErr) ? wxID_OK : wxID_CANCEL;
 432 }
 433
 434 #endif // wxUSE_FILEDLG
 435